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Subject: Re: Draw due to lack of blockade detection...

Author: Omid David

Date: 08:38:18 10/04/02

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On October 04, 2002 at 11:35:33, Vincent Diepeveen wrote:

>On October 04, 2002 at 11:30:21, Omid David wrote:
>
>>On October 04, 2002 at 11:26:11, Uri Blass wrote:
>>
>>>On October 04, 2002 at 11:22:05, Vincent Diepeveen wrote:
>>>
>>>>On October 04, 2002 at 10:34:43, Omid David wrote:
>>>>
>>>>had fritz implemented such a scheme it would play 300 points weaker
>>>>anyway.
>>>
>>>No
>>>
>>>You assume that inmplementing knowldge mean using it in every node.
>>>
>>>It is possible to use knowledge only when the remaining depth is big enough.
>>>
>>>The idea of the knowledge is to stop the search when a draw position happens and
>>>return draw score.
>>>
>>>I do not see the risk in it if 100% of the positions that you detect as drawn
>>>are draws and if you only use it when the remaining depth is big enough then it
>>>is not going to do the program 300 elo weaker.
>>
>>Exactly. I don't have to care about its risks, since it returns 100% reliable
>>results. But what I do have to care about, is an efficient application of the
>>heuristic, so that its impact on the whole search speed be negligible.
>
>if your engine can't lose much rating poitns of course losing 300 points
>is harder than if it plays well.

At the current stage, my engine has a +2500 performance, so I know what I'm
talking about.

>
>>Omid.
>>
>>>
>>>Uri



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